Former Owner
- Prieuré Saint-Louis de Poissy1
- Prince Sadruddin Aga Khan1
- Pugliese1
- Quinton Edward Gurney1
- Québriac family1
- R. F. Pain1
- R. H. Fenn1
- R. J. Bunck1
- Rabbinical Seminary Vienna1
- Rafael Floranes1
- Rafael Gomes1
- Raitenhaslach Cistercian Abbey1
- Ralph Verney, 1st Earl Verney1
- Ramón de Mesonero Romanos1
- Raoul Chandon de Briailles1
- Raphael de Mediolano1
- Raul A. Villagran1
- Reginald Cholmondeley1
- René Antoine Thoué1
- René Henry1